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Home >> Ford >> 1988 >> Bronco II 4WD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System - DURA-Spark II >> Testing >> Pick-Up Coil Resistance
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Pick-Up Coil Resistance

  1. Disconnect distributor connector from wiring harness. Inspect for dirt, corrosion, or damage. Measure resistance across Orange and Purple wires at distributor connector.
  2. If reading is between 400-1000 ohms, pick-up coil is okay. Inspect wiring harness between distributor and control module. If voltage reading is less than 400 ohms or more than 1000 ohms, replace pick-up coil assembly. After test, connect distributor and control module connectors.
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